单词	海拔梯度
释义	海拔梯度医altitudinal gradient
随便看	normal execution sequence normal existence normal exit Normal exocrine gland secretion Normal exocrine glandular function normal expected background leakage normal expected value normal expenditure normal experiment normal experiment method normal exponential distribution normal exponential valuation normal export normal exposure normal expression line normal extension normal extension field normal extinction normal extrusion normal eye Normal eye movement normal eyes closed straight line walking test normal factor normal failure period normal failure rate